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Finding the Fourth Proportional to 301,703.55, 416,353.56 and 165,740.52

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Solution

The fourth proportional to 301,703.55, 416,353.56 and 165,740.52 is: 228,723.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    301,703.55 : 416,353.56 = 165,740.52 : x
  2. Step 2: Convert to fraction form
    301,703.55/416,353.56 = 165,740.52/x
  3. Step 3: Cross multiply
    301,703.55x = 416,353.56 × 165,740.52
  4. Step 4: Simplify right side
    301,703.55x = 69,006,655,538.25
  5. Step 5: Solve for x
    x = 69,006,655,538.25/301,703.55
  6. Step 6: Final answer
    x = 228,723.38

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.